Select the problems that need to be paid attention to

Square pipe, as its name suggests, is a kind of square steel pipe, which is a common material in the industrial construction industry. From the current development point of view, not only the demand for pipe in the industrial and construction industry has greatly increased, but also other industries are using more and more square pipes. In order to meet people's needs, there are more and more types of square pipes, and sellers are also more and more people. The difference in the quality of the square tubes sold by these businesses is also relatively large, so we must learn some knowledge of selecting square tubes, choosing good quality square tubes to improve the quality of manufactured products, and good quality square tubes can also improve the safety factor.